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2,472 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 4 in 5.

Best time to leave 7–8 am 93% arrive on time from IAD
Best single flight UA 1689 IAD 13:10 → LAX 15:42 · 90% on time Avoid UA 2276 IAD 17:48 → LAX 20:21 · 71% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

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IAD
91
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79
% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Pick an hour to see this route’s flights leaving then.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.

United 2,338 85% 0.8% 62 min
American 115 – 0.0% 55 min
Alaska 19 – 0.0% 43 min

Dimmed: fewer than 150 flights in the year, too few to rank.

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.

UA 1689 IAD 13:10 LAX 15:42 90%
UA 1734 IAD 08:15 LAX 10:47 86%
UA 1385 IAD 22:20 LAX 00:57 84%
UA 2276 IAD 17:48 LAX 20:21 71%
All 10 flights on this route →

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.

United IAD LAX 5h 35m 85% 0.8% 2,338 Flying now
American IAD LAX 5h 34m 77% 0.0% 115 Flying now
Alaska IAD LAX 5h 29m 47%few flights 0.0% 19 Not flying now
Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON